Question: Who is the leader of the KGB?
Paraphrase: Who is the pioneer of the KGB?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P598 wd:Q80919 . ?sbj wdt:P31 wd:Q5 } 
Answer: Ivan Serov, Vladimir Semichastny, Yuri Andropov